/Engine/Source/Runtime/Core/Public/Algo/BinarySearch.h
Returns index to the first found element with projected value matching Value in a range, the range must be sorted by predicateIndexof found element, or INDEX_NONE
namespace Algo { template<typename RangeType, typename ValueType, typename ProjectionType, typename SortPredicateType> auto Algo::BinarySearchBy ( RangeType & Range, const ValueType & Value, ProjectionType Projection, SortPredicateType SortPredicate ) }